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Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2026
Segment Information [Abstract] |
Schedule of Significant Expense Categories Included Net Loss Presented on Condensed Consolidated Statements of Operations and Comprehensive Loss | In addition to the significant expense categories included within net loss presented in the Company’s condensed consolidated statements of operations and comprehensive loss, see below for disaggregated amounts that comprise total operating expenses (in thousands):
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
Personnel-related costs |  | $ | 4,038 |  |  | $ | 8,431 |
General and overhead costs |  |  | 3,291 |  |  |  | 3,611 |
Program costs |  |  |  |  |  |  |  |
Briquilimab platform |  |  | 266 |  |  |  | 1,957 |
CMO |  |  | 882 |  |  |  | 2,138 |
CSU |  |  | 2,378 |  |  |  | 2,746 |
Asthma |  |  | (327 | ) |  |  | 1,393 |
CIndU |  |  | 424 |  |  |  | 885 |
SCID |  |  | — |  |  |  | 523 |
MDS/AML |  |  | — |  |  |  | 118 |
Total program costs |  |  | 3,623 |  |  |  | 9,760 |
Total operating expense |  |  | 10,952 |  |  |  | 21,802 |
Other income, net |  |  | 9,778 |  |  |  | 561 |
Net loss |  | $ | (1,174 | ) |  | $ | (21,241 | )

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